/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Returns cached a list of loaded Blueprints that are dependent on the given Blueprint.
static void GetDependentBlueprints ( [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * Blueprint, [TArray](API\Runtime\Core\Containers\TArray)< [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * > & DependentBlueprints )